Hi, On 01/21/11 01:07, Mike Snitzer wrote: >>> Is it possible to detect request based multipath and change only for >>> those configurations? ... > Unfortunately, the multipath target version wasn't bumped when > request-based mpath was introduced (commit f40c67f0f7e2767f). Um, sorry I don't remember why.. > Long story short, it seems we _could_ use the DM ioctl version bump that > occurred for 2.6.31 (from commit 60935eb): 4.15.0-ioctl (2009-04-01) Fortunately, the target version of multipath was also bumped in 2.6.31, from 1.0.5 to 1.1.0 by this commit: af4874e v2.6.31-rc1 dm target:s introduce iterate devices fn -- Jun'ichi Nomura, NEC Corporation -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel